Aparicio, C F Overmatching in rats: the barrier choice paradigm. [electronic resource] - Journal of the experimental analysis of behavior Jan 2001 - 93-106 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0022-5002 Standard No.: 10.1901/jeab.2001.75-93 doi Subjects--Topical Terms: AnimalsBehavior, Animal--physiologyChoice BehaviorConditioning, Operant--physiologyDiscrimination Learning--physiologyMaleRatsRats, Long-EvansReinforcement, Psychology